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Earthquakes and Structures Volume 8, Number 1, January 2015 , pages 057-76 DOI: https://doi.org/10.12989/eas.2015.8.1.057 |
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Multilevel performance-based procedure applied to moderate seismic zones in Europe |
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Ariel Catalán and Dora Foti
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| Abstract | ||
| The Performance-based Earthquake Engineering (PBEE) concept implies the definition of multiple target performance levels of damage which are expected to be achieved (or not exceeded), when the structure is subjected to earthquake ground motion of specified intensity. These levels are associates to different return period (RP) of earthquakes and structural behaviors quantified with adopted factors or indexes of control. In this work an 8-level PBEE study is carried out, finding different curves for control index or Engineering Demand Parameters (EDP) of levels that assess the structural behavior. The results and the curves for each index of control allow to deduce the structural behavior at an a priori unspecified RP. A general methodology is proposed that takes into account a possible optimization process in the PBEE field. Finally, an application to 8-level seismic performance assessment to structure in a Spanish seismic zone permits deducing that its behavior is deficient for high seismic levels (RP > 475 years). The application of the methodology to a low-to-moderate seismic zone case proves to be a good tool of structural seismic design, applying a more sophisticated although simple PBEE formulation. | ||
| Key Words | ||
| PBEE, seismic assessment, damage index, reinforced concrete structures, non-linear analysis, low-to-moderate seismic zone | ||
| Address | ||
| Ariel Catalán: Department of Construction, University of Oviedo, Campus of Gijon, c/ Pedro Puig Adam, 33203 Gijon, Spain Dora Foti: Department of Civil Engineering and Architecture, Polytechnic of Bari, Via Orabona 4, 70125 Bari, Italy | ||